Lighting device



FIG. 1 is a front perspective view of the design;

FIG. 2 is a rear perspective view of the design;

FIG. 3 is a left side view of the design;

FIG. 4 is a right side view of the design;

FIG. 5 is a front view of the design;

FIG. 6 is a back view of the design;

FIG. 7 is a top view of the design;

FIG. 8 is a bottom view of the design;

FIG. 9 is another front perspective view of the design with the light housing shown tilted downward;

FIG. 10 is another left side view of the design with the light housing shown tilted downward; and,

FIG. 11 is another front perspective view of the design with the light housing shown detached from the strap mounting plate.

Any broken lines shown are for illustrative purposes only and form no part of the claimed design. 

CLAIM I claim the ornamental design for a lighting device, as shown and described. 